Scientific American 452 June 1, 1907. which leads down to the Colorado River, SOME UNKNOWN AMERICAN NATURAL BRIDGES, ment, is a sort of relay place or half-way point on the BY T. 8. PARSONS. journey, which must be made on horseback most of In the southeastern part of Utah, on the southwest- leading… … this region were once much more favorable for water erosion than at the present time, For the formation far from the main lines of travel and in a region almost and twenty-five miles from Yellow Jacket Cafion, Colo- of such structures as we find here it is essential that inaccessible, are dozens of…
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